<template>
    <div>
     <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
       <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
       <el-breadcrumb-item>商品管理</el-breadcrumb-item>
       <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
      <!-- 卡片视图区域 -->
      <el-card>
          <el-row :gutter="20">
              <el-col :span="8">
              <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @change="getGoodsList">
                  <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
               </el-input>
              </el-col>
              <el-col :span="4">
                  <el-button type="primary" @click="goAddpage">添加商品</el-button>
              </el-col>
          </el-row>
          <!-- table 表格区域 -->
          <el-table :data="goodslist" border stripe>
                <el-table-column type="index" width="50" label="#"></el-table-column>
               <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column width="95" label="商品价格(元)" prop="goods_price"></el-table-column>
                <el-table-column width="70" label="商品重量" prop="goods_weight"></el-table-column>
                <el-table-column width="160" label="创建时间" prop="add_time">
                    <template slot-scope="scope">
                        {{scope.row.add_time | dateFormat}}
                    </template>
                </el-table-column>
                <el-table-column width="180" label="操作" > 
                    <template slot-scope="scope">
                        <el-button type="primary" size="mini" icon="el-icon-edit">编辑</el-button>
                        <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeById(scope.row.goods_id)">删除 </el-button>
                    </template>
              </el-table-column>
          </el-table>

          <!-- 分页区域 -->
          <el-pagination
               @size-change="handleSizeChange"
               @current-change="handleCurrentChange"
               :current-page="queryInfo.pagenum"
               :page-sizes="[3, 5, 8,15]"
               :page-size="queryInfo.pagesize"
               layout="total, sizes, prev, pager, next, jumper"
               :total="total"
               background>
         </el-pagination>
      </el-card>

    </div>
</template>
<script>
export default {
    data() {
        return {
            //查询参数对象 
            queryInfo:{
               query:'',
               pagenum:1,
               pagesize:10
            },
            // 商品列表
            goodslist:[],
            // 总数据条数
            total:0
        }
    },
    created() {
        this.getGoodsList()
    },
    methods: {
        //根据分页获取对应得商品列表
        getGoodsList(){
            this.axios.get('goods',{params:this.queryInfo}).then(res=>{
                console.log(res)
                if(res.data.meta.status!==200){
                    return this.$message.error('获取商品列表失败');    
                }
                this.goodslist =res.data.data.goods
                this.total = res.data.data.total
            })
        },
         // 监听 pagesize 改变
        handleSizeChange(newSize){
           this.queryInfo.pagesize = newSize
           this.getGoodsList()
        },
        // 监听 pagenum 改变
        handleCurrentChange(newPage){
           this.queryInfo.pagenum = newPage
           this.getGoodsList()
        },
        // 删除商品操作
       async removeById(id){
         const confirmResult =await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
           confirmButtonText: '确定',
           cancelButtonText: '取消',
           type: 'warning'
          }).catch(err=>err)
           console.log(a)
          if(confirmResult!=='confirm') return this.$message.info('已取消删除')
          this.axios.delete(`goods/${id}`).then(res=>{
              if(res.data.meta.status!==200) return this.$message.error('删除商品失败')
              this.$message.success('删除商品成功')
              this.getGoodsList()
          })
        },
        // 添加商品跳转
        goAddpage(){
            this.$router.push('/good/add')
        }
    },
}
</script>
<style scoped>
  
</style>
